| PBM | peak bone mass; peripheral basement membrane; peripheral blood mononuclear [cell]; placental basemen... |
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| PHM | peptide histidine methionine; peptidylglycine alpha-hydroxylating monooxygenase; posterior hyaloid m... |
| PM | after death (Lat. post mortem); after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomogr... |
| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
| TBM | total body mass; tracheobronchiomegaly; trophoblastic basement membrane; tuberculous meningitis; tub... |
| intermediate dorsal cutaneous nerve | <anatomy, nerve> The lateral terminal branch of the superficial peroneal nerve, supplying the dorsum of the foot and dorsal nerves to the toes (except for adjacent parts of great and second toes). Synonym: nervus cutaneus dorsalis intermedius. (05 Mar 2000) |
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| intermediate filament | <cell biology> A class of cytoplasmic filaments of animal cells so named originally because their diameter (nominally 10 nm) in muscle cells was intermediate between thick and thin filaments. Unlike microfilaments and microtubules, the protein sub units of intermediate filaments show considerable diversity and tissue specificity. See: cytokeratins, desmin, glial fibrillary acidic protein, neurofilament proteins, nestin and vimentin (18 Nov 1997) |
| intermediate filament proteins | Filaments 7-11 nm in diameter found in the cytoplasm of all cells. Many specific proteins belong to this group, e.g., desmin, vimentin, prekeratin, decamin, skeletin, neurofilin, neurofilament protein, and glial fibrillary acid protein. (12 Dec 1998) |
| intermediate filaments | Cytoplasmic filaments intermediate in diameter (about 10 nanometers) between the microfilaments and the microtubules. They may be composed of any of a number of different proteins and form a ring around the cell nucleus. (12 Dec 1998) |
| intermediate ganglia | Small sympathetic ganglia most commonly found on the communicating branches in the cervical and lumbar region. Synonym: ganglia intermedia. (05 Mar 2000) |
| intermediate great muscle | <anatomy, muscle> Origin, upper three-fourths of anterior surface of shaft of femur; insertion, tibial tuberosity by way of common tendon of quadriceps femoris and patellar ligament; action, extends leg; nerve supply, femoral. Synonym: musculus vastus intermedius, crureus, femoral muscle, intermediate great muscle, intermediate vastus muscle. (05 Mar 2000) |
| intermediate haemorrhage | Haemorrhage that is recurrent. (05 Mar 2000) |
| intermediate heart | Loosely, description of the heart's electrical axis when this is directed at approximately between +30 |
| intermediate host | <epidemiology> See vector. (05 Dec 1998) |
| intermediate hypothalamic region | The infundibular portion of the hypothalamus, includes the medial tuberal nuclei and portions of the dorsomedial, ventromedial, arcuate (infundibular), posterior and lateral hypothalamic nuclei; located internally in the general area of the infundibulum. (05 Mar 2000) |
| intermediate image plane | <microscopy> In a light microscope, the plane into which the objective lens directly focuses the image of the specimen. The plane is usually located a set distance (commonly 10 mm) below the shoulder for the ocular and another fixed distance (generally 160 mm) behind the rear focal plane of the objective lens. The ocular forms a virtual image of the intermediate image for visual observation, or projects a real image for photography and video microscopy. Note: The objective lens, combined with the coverslip of proper thickness, is corrected for projecting the primary image to the specified intermediate image plane only. (05 Aug 1998) |
| intermediate junction | <cell biology> Specialised intercellular junction in which the membranes are separated by 15-25nm and into which are inserted microfilaments. Similar in structure to two apposed focal adhesions, though this may be misleading. Microfilaments inserted into the zonula adherens may interact (via myosin) with other microfilaments to generate contraction. Constitute mechanical coupling between cells. (18 Nov 1997) |
| intermediate lacunar lymph node | A lymph node of the external iliac group located between the external iliac artery and vein at the vascular lacuna. Synonym: nodus lacunaris intermedius, intermediate lacunar node. (05 Mar 2000) |
| intermediate lacunar node | A lymph node of the external iliac group located between the external iliac artery and vein at the vascular lacuna. Synonym: nodus lacunaris intermedius, intermediate lacunar node. (05 Mar 2000) |
| intermediate lamella | One of the lamellae of partially resorbed osteons occurring between newer, complete osteons. Synonym: ground lamella, intermediary system, intermediate lamella. (05 Mar 2000) |